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annotationThe great difficult appears, that though some animals long domesticated change not indefinite (Do we know this), but most domesticated animals are hereditary monsters. Yet we should have expected some race, which would have showed a slight repugnance to breed with our animals.— /

annotationX 2d. The changes apparently being rapidly superinduced. «in domesticated animals» NB. The vry character of species is ‹very› character being hereditary, & as we know we can give forms not hereditary, some that are; we might expect gradation

annotation[continues on page 442] X Argument 2d. Excellent argument sheep do not get big tails in Africa or cattle long horn or cow bump on back, or dogs like fox in Australia or — or — or— — yet whole breed being so. it must be effect of country yet exciting, or else Nature would have altered back — XXX

annotation[continues on end-note] XXX Now if in course of ages (having shown time is requisite) offspring differed as much from Indian Cattle & long horned «as Buffalo. near.»t01 & as these do now from common stock , then would they perish.— (These insensible changes may explain extinction thy might act on some important organ & become heredtry like diseases)